Finding the Fourth Proportional to 431,577,458.63, 595,575,772.70 and 240,836,476.18
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Solution
The fourth proportional to 431,577,458.63, 595,575,772.70 and 240,836,476.18 is: 332,353,712.01
Step by Step Solution
- Step 1: Write the proportion equation
431,577,458.63 : 595,575,772.70 = 240,836,476.18 : x - Step 2: Convert to fraction form
431,577,458.63/595,575,772.70 = 240,836,476.18/x - Step 3: Cross multiply
431,577,458.63x = 595,575,772.70 × 240,836,476.18 - Step 4: Simplify right side
431,577,458.63x = 143,436,370,395,248,656 - Step 5: Solve for x
x = 143,436,370,395,248,656/431,577,458.63 - Step 6: Final answer
x = 332,353,712.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.